نتایج جستجو برای: rail lines
تعداد نتایج: 226588 فیلتر نتایج به سال:
This paper aims to investigate the effect of acceleration on the discomfort of standing passengers. The acceleration levels from different public rail transport lines such as the mass rapid transits (MRTs) and light rail transits (LRTs) of Singapore, as well as the associated qualitative data indicating the discomfort of standing passengers are collected and analyzed. Based on a logistic regres...
Recently, many cities have launched new rail transit lines. Once these new rail transit lines start commercial operation, they will play important roles as competitors to conventional bus services. In this paper, the effects of nationalization on equilibria have been studied in a mixed duopoly public transport market, in which one publicly-owned rail transit operator competes with one private b...
the planning of a rail transit system is a complex process involving the determination of station locations and rail line alignments connecting the stations. There are many requirements and constraints to be considered in the planning process, with complex correlations and interactions, necessitating the application of optimization models in order to realize reliable and cost-effective rail tra...
In this study, the accessibility of the rail transit stations in a multimodal network formed by a trunk line and its feeder lines are defined. Connectivity between lines and the accessibility of the nodes identify the overall spatial structure of the network. The factors influencing the access choices of rail transit stations and satisfaction of transit travelers in rapid rail transit systems a...
A model to compare three alternative forms of public transport – light rail, heavy rail and bus rapid transit is developed for an urban network with radial lines emanating from the borders to the city centre. The theoretical framework assumes an operation aimed at minimising the total cost associated with public transport service provision, which encompasses both operator and users costs. The d...
Rail is a framework for building web applications that can precisely identify inappropriately disclosed data after a vulnerability is discovered. To do so, Rail introduces retroactive disclosure auditing: re-running the application with previous inputs once the vulnerability is fixed, to determine what data should have been disclosed. A key challenge for Rail is to reconcile state divergence be...
CBTC (Communication Based Train Control) systems are known as comprehensive, integrated and intelligent control systems for rail systems including mainline railways, light rails and underground lines in cities. With the development of modern data communication, computer and control techniques, CBTC represents the future direction of rail control systems. At present, CBTC has been used in light ...
Mark O'Neill The new St Pancras CTRL (Channel Tunnel Rail Link) station consists of nine platforms, six for international Eurostar trains and three for regional domestic services from Kent (there are four platforms for the Midland Main Line but there is no through running between the CTRL and Network Rail parts of the station). Trains approaching St Pancras leave the single bore London Tunnels ...
We examine the life cycle costs, environmental discharges, and deaths of moving coal via rail, coal gas via pipeline, and electricity via wire from the Powder River Basin (PRB) in Wyoming to Texas. Which method has least social cost depends on how much additional investment in rail line, transmission, or pipeline infrastructure is required, as well as how much and how far energy is transported....
Urban rail is widely considered to be a form of low-carbon green transportation, but there is a lack of specific quantitative research to support this. By comparing the mode, distance, and corresponding energy consumption of residents before and after the opening of rail transit, this paper establishes a carbon reduction method for rail transit. A measurement model takes the passenger carbon em...
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